How do I set the "Full Clone" option for a github source in CodePipeline?

I’ve got a configuration that creates a CodePipeline project with a github source. I’m trying to figure out how to enable the “Full Clone” option.

Here’s the relevant stage from my aws_codepipeline resource:

  stage {
    name = "Source"

    action {
      name             = "Source"
      category         = "Source"
      owner            = "AWS"
      provider         = "CodeStarSourceConnection"
      version          = "1"
      output_artifacts = ["source"]

      configuration = {
        ConnectionArn    = data.aws_codestarconnections_connection.github_connection.arn
        FullRepositoryId = "<removed>/${var.service_name}"
        BranchName       = var.environment
      }
    }
  }

Found it. The relevant setting is

OutputArtifactFormat = “CODEBUILD_CLONE_REF”

stage {
  name = "Source"

  action {
    # ...
    configuration = {
      # ...
      OutputArtifactFormat = "CODEBUILD_CLONE_REF"
    }
  }
}